PLANTS, THEIR PROPERTIES, YOUR BALANCE.
S.×.Salix × fragilis L.BOTANICAL PROFILE · NO ILLUSTRATION

BOTANICAL PROFILE · FAMILY NOT DETAILED IN THE REFERENCES FOR THIS PROFILE.

THE HERBARIUM · FAMILY NOT DETAILED IN THE REFERENCES FOR THIS PROFILE.

Crack willow

Salix × fragilis L.

The shared monograph “salicis cortex” includes Salix × fragilis L. This profile is limited to the parts and preparations described there. Kew recognizes this name as a hybrid of S. alba and S. euxina.

Inclusion in a collective monograph does not prove that each species has been studied separately in humans. The form and pharmaceutical quality described remain decisive.

Part used
Bark
Origin & distribution
Geographical distribution is not detailed in this entry.

Salicylates: check contraindications before any use.

BOTANICAL IDENTITY

The right name is the first step.

Also known as: Salix fragilis

A common name and photograph do not guarantee identification. Check the botanical name and part indicated on a traceable product.

An illustration is not enough to identify a plant for consumption. Do not forage for a species based solely on this profile.

01 · UNDERSTAND

Properties & uses.

Traditional use

Minor joint pain

Shared traditional use; does not demonstrate the efficacy of gathered bark or any individual species.

Read the source

The traditional uses described are not clinical proof of effectiveness. Evidence for one preparation cannot automatically be applied to another.

02 · UNDERSTAND THE ACTION

How does the plant act?

Identity is a real scientific limitation here: the historical name Salix fragilis used in older documents does not guarantee that it refers precisely to the current hybrid taxon Salix × fragilis. Its presence in a shared monograph therefore does not allow all group results to be attributed to it without examination.

Traditional use

Uses of bark in the group

Minor joint pain falls within the traditional framework; no separate efficacy is asserted for the hybrid taxon in this profile.

Read the reference

What this means for preparation.

Check the accepted taxon, bark part and studied product together. A photograph of a crack willow is insufficient to establish this continuity in the documentation.

03 · EXAMINE THE EVIDENCE

What the research shows.

A laboratory or animal result alone does not demonstrate a benefit in humans. Each result must be read alongside the preparation studied and its limitations.

01Insufficient evidence

A collective monograph, not a hybrid trial

Type of research
EMA assessment of barks from several Salix species
Preparation concerned
Defined bark preparations; botanical identity must be checked for each study.
Observed results
The report distinguishes data on specific extracts from the traditional use of bark.
Limitations to consider
Without botanical reference material, it is not possible to resolve every use of the name S. fragilis retrospectively.
Read the reference

What can we take from this?

A precise chemical profile is not attributed here to the current hybrid from taxonomically ambiguous data. This uncertainty prevents a comparative ranking of efficacy among willows.

Documentary review dated 09/10/2026. The references remain available to check the context.

04 · CHOOSE A PREPARATION

One plant, several preparations.

Only forms documented in this profile’s sources are presented.

Bark for herbal teaBark · Route: oral

Preparation described in the shared monograph.

Please note: Follow the product's package leaflet; concentrations are not interchangeable.

Read the source
ExtractBark · Route: oral

Preparation described in the shared monograph.

Please note: Follow the product's package leaflet; concentrations are not interchangeable.

Read the source

05 · BEFORE ANY USE

Precautions & contraindications.

This guidance does not cover every individual situation. Missing information is not a guarantee of safety.

Contraindications

  • Allergy to salicylates, ulcer, coagulation disorder, G6PD deficiency or severe kidney/liver impairment.

Medicine interactions

  • Anticoagulants, antiplatelets and anti-inflammatories: do not combine without advice.

Adverse effects

  • Digestive disturbances and allergic reactions.

Pregnancy & breastfeeding

Contraindicated in the third trimester; avoid during pregnancy and breastfeeding without medical advice.

Children & adolescents

Contraindicated under 18 years.

If symptoms persist, worsen or are unusual, consult a healthcare professional. In an emergency, contact the emergency services.

06 · PUTTING KNOWLEDGE INTO PRACTICE

Preparations & recipes.

No home recipe is provided in this profile. For an appropriate preparation, refer to the product leaflet and ask your pharmacist for advice.

07 · CHECK THE SOURCES

Sources for this profile.

  1. EMA — salicis cortexAccessed on 09/10/2026
  2. Kew POWO — Salix × fragilisAccessed on 09/10/2026
  3. EMA — final assessment of willow barksAccessed on 09/10/2026

A TOUCH OF SOLÉA

Myriam’s tip

Myriam is reviewing the tip for this profile.

Myriam

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Traditional use for bruises, sprains and localized pain; trials do not demonstrate universal efficacy.

Traditional use

External use only. Seek medical advice if symptoms worsen or persist beyond a few days.

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Traditional use of the relevant preparations for minor joint pain.

Traditional use

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Well-established use of topical preparations, particularly for certain cases of low back pain.

Well-established medicinal use (EMA)

No homemade chili poultices. Stop in the event of a skin reaction.

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